Player Pos Age Opposition Ground Date Match
JR Chisholm (N8) 18y 112d v Newcastle Newcastle 1 Dec 2013 Details
HJ Sloan C 19y 258d v Worcester The Stoop 1 Mar 2014 Details
L Grimoldby (C) 19y 288d v Gloucester Gloucester 22 Feb 2014 Details
KNJS Sinckler (P) 20y 174d v Worcester Worcester 20 Sep 2013 Details
JA Clifford (N8) 20y 256d v Sale Sharks The Stoop 26 Oct 2013 Details
CJN Walker (W) 20y 286d v London Irish Reading 5 Oct 2013 Details
GR Merrick L 20y 338d v Wasps Twickenham 7 Sep 2013 Details
HW Allen (H) 21y 311d v Sale Sharks The Stoop 26 Oct 2013 Details
SJ Stuart (SH) 22y 65d v Newcastle Newcastle 1 Dec 2013 Details
CWC Matthews (L) 22y 102d v Leicester Leicester 2 Nov 2013 Details
RF Buchanan (H) 22y 117d v Wasps Twickenham 7 Sep 2013 Details
WSLW Collier P 22y 125d v Wasps Twickenham 7 Sep 2013 Details
JJ Trayfoot (L) 22y 235d v Saracens The Stoop 28 Sep 2013 Details
LP Wallace F 22y 340d v Wasps Twickenham 7 Sep 2013 Details
DYA Marfo (P) 22y 359d v Sale Sharks The Stoop 26 Oct 2013 Details
OW Lindsay-Hague (FB) 23y 54d v Newcastle Newcastle 1 Dec 2013 Details
JWG Marler P 23y 62d v Wasps Twickenham 7 Sep 2013 Details
SD Smith (W) 23y 99d v Northampton The Stoop 13 Sep 2013 Details
TC Casson C 23y 160d v Northampton The Stoop 13 Sep 2013 Details
RJ Chisholm (C) 23y 174d v Sale Sharks Salford 11 Apr 2014 Details
GV Lowe C 23y 320d v Wasps Twickenham 7 Sep 2013 Details
BFK Botica (FH) 23y 335d v Wasps Twickenham 7 Sep 2013 Details
JA Gray H 25y 33d v Wasps Twickenham 7 Sep 2013 Details
J Turner-Hall C 25y 245d v Wasps Twickenham 7 Sep 2013 Details
DS Care SH 26y 248d v Wasps Twickenham 7 Sep 2013 Details
CDC Robshaw F 27y 95d v Wasps Twickenham 7 Sep 2013 Details
GD Robson L 27y 307d v Wasps Twickenham 7 Sep 2013 Details
MN Brown FB 28y 3d v Wasps Twickenham 7 Sep 2013 Details
DP Ward (H) 28y 122d v Worcester Worcester 20 Sep 2013 Details
PPL Doran Jones (P) 28y 128d v Wasps Twickenham 7 Sep 2013 Details
MD Lambert (P) 28y 200d v Wasps Twickenham 7 Sep 2013 Details
MA Hopper (C) 28y 242d v Saracens The Stoop 28 Sep 2013 Details
TD Guest (L) 29y 64d v Wasps Twickenham 7 Sep 2013 Details
TM Williams W 29y 336d v Northampton The Stoop 13 Sep 2013 Details
UCC Monye W 30y 147d v Wasps Twickenham 7 Sep 2013 Details
KS Dickson (SH) 31y 36d v Wasps Twickenham 7 Sep 2013 Details
NJ Kennedy (L) 32y 124d v Bath Rugby Bath 21 Dec 2013 Details
TS Molenaar C 32y 256d v Leicester Leicester 2 Nov 2013 Details
NJ Evans FH 33y 24d v Wasps Twickenham 7 Sep 2013 Details
M Fa'asavalu (F) 33y 238d v Wasps Twickenham 7 Sep 2013 Details
PH Sackey W 33y 303d v Wasps Twickenham 7 Sep 2013 Details
NJ Easter N8 35y 23d v Wasps Twickenham 7 Sep 2013 Details

Only the player's first appearance listed

Records include the following current or recent matches:
Harlequins v Bath Rugby at The Stoop, Aviva Premiership, May 10, 2014 [19-16 FT]
Harlequins v Leicester Tigers at The Stoop, Aviva Premiership, Apr 18, 2014 [24-20 FT]
Harlequins v London Irish at The Stoop, Aviva Premiership, Mar 29, 2014 [23-9 FT]